code: def create_network_server(argv):
      try:
          opts, args = getopt.getopt(
              argv, "hdarn:c:b:i:p:w:s:t:f:k:P:", ["help"]
          )
      except getopt.GetoptError:
          print_usage()
          raise
  
      args = {}
      autodiscovery = False
      debug = False
  
      log_level = logging.WARNING
      log_format = (
          "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
      )
  
      for opt, arg in opts:
          if opt in ("-h", "--help"):
              print_usage()
              sys.exit()
          elif opt == "-c":
              args, autodiscovery, debug = parse_config(arg)
          elif opt == "-d":
              debug = True
          elif opt == "-f":
              log_format = arg
          elif opt == "-i":
              args["interface"] = arg
          elif opt == "-s":
              args["secret"] = arg
          elif opt == "-p":
              args["port"] = int(arg)
          elif opt == "-w":
              args["ncpus"] = int(arg)
          elif opt == "-a":
              autodiscovery = True
          elif opt == "-r":
              args["restart"] = True
          elif opt == "-b":
              args["broadcast"] = arg
          elif opt == "-n":
              args["proto"] = int(arg)
          elif opt == "-t":
              args["timeout"] = int(arg)
          elif opt == "-k":
              args["socket_timeout"] = int(arg)
          elif opt == "-P":
              args["pid_file"] = arg
  
      if debug:
          log_level = logging.DEBUG
          pp.SHOW_EXPECTED_EXCEPTIONS = True
  
      log_handler = logging.StreamHandler()
      log_handler.setFormatter(logging.Formatter(log_format))
      logging.getLogger("pp").setLevel(log_level)
      logging.getLogger("pp").addHandler(log_handler)
  
      server = _NetworkServer(**args)
      if autodiscovery:
          server.broadcast()
      return server
  
imports: import atexit
  import logging
  import errno
  import getopt
  import sys
  import socket
  import threading
  import random
  import string
  import signal
  import time
  import os
  import ppft
  import ppft.auto
  import ppft.common
  import ppft.transport
  import hashlib
label_desc: Use image node_id 3 for calling a global function with example usage: create_network_server(argv) and returns: server